Zhucheng Jin Ridong Papermaking Machinery Co., Ltd, a high technology corporation in field of papermaking machinery, is mainly engaged in research and development of paper machinery manufacturing, There are more than 500 employees, including 150 engineering and mechanicians. The fixed assets is RMB100 million and annual productivity is over RMB300 million. The machines registered trademark "Ridong"got certification of ISO9001: 2000 quality system in 2003 and won the self-owned import and export right. Jin Ridong has four series production with over 200 specification including Yankee tissue machine, culture paper machine, board and corrugated medium machine, black liquid extraction machine, complete sets of waster paper deinking equipments, fireproof safes, wind and sunshine complement power generator, medical health care bed ect. The fireproof safe which is mainly about home safe products, hotel safe products and office safe products. "Ridong" paper machine has applied 37 nati